2001 CHRYSLER VOYAGER Service Manual

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Page 1313 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0480-FAN 1 CONTROL CIRCUIT SHORT CIRCUIT
When Monitored and Set Condition:
P0480-FAN 1 CONTROL CIRCUIT SHORT CIRCUIT
When Monitored: With the ignition on.
Set Condition: The ECM detects a sh

Page 1314 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Install a substitute relay in place of the Radiator Fan Relay No. 1.
Turn the ignition on.
With the DRB, actuate the Low Speed Radiator Fan Relay.
Do

Page 1315 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0481-FAN 2 CONTROL CIRCUIT OPEN CIRCUIT
When Monitored and Set Condition:
P0481-FAN 2 CONTROL CIRCUIT OPEN CIRCUIT
When Monitored: With the ignition on.
Set Condition: The ECM detects an ope

Page 1316 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Radiator Fan Relay No. 2 harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the ECM/PCM Re

Page 1317 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0481-FAN 2 CONTROL CIRCUIT SHORT CIRCUIT
When Monitored and Set Condition:
P0481-FAN 2 CONTROL CIRCUIT SHORT CIRCUIT
When Monitored: With the ignition on.
Set Condition: The ECM detects a sh

Page 1318 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
One at a time, install a substitute relay in place of Radiator Fan Relays No. 2 and
then No. 3.
Turn the ignition on.
With the DRB, actuate the High

Page 1319 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom List:
P0500-VEHICLE SPEED SENSOR FREQUENCY TOO HIGH
P0500-VEHICLE SPEED SENSOR HIGH LEVEL DURATION
P0500-VEHICLE SPEED SENSOR PLAUSIBILITY
P0500-VEHICLE SPEED SENSOR SIGNAL VOLTAGE TOO HIGH
Te

Page 1320 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, erase ECM DTCs.
Test drive the vehicle.
With the DRB, read Vehicle Speed.
Does the DRB display an accurate Vehicle Speed??All
Ye s®Go T

TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, erase ECM DTCs.
Test drive the vehicle.
With the DRB, read Vehicle Speed.
Does the DRB display an accurate Vehicle Speed??All
Ye s®Go To 2
No®Go To 3
2WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No®Test Complete.
3 Turn the ignition off.
Remove the Vehicle Speed Sensor.
Inspect the Speedometer Pinion and drive teeth on the Output Shaft (located in the
transmission).
Inspect the VSS for metal debris and damage to the Sensor and connector.
Are both components OK?All
Ye s®Go To 4
No®Repair or replace the Speedometer Pinion or internal components
as necessary in accordance with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
4 Turn the ignition off.
Disconnect the Vehicle Speed Sensor harness connector.
Turn the ignition on.
Measure the voltage of the Ignition Switch Output circuit in the Vehicle Speed Sensor
harness connector.
Is the voltage above 10.0 volts?All
Ye s®Go To 5
No®Repair the Ignition Switch Output circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
101
DRIVEABILITY - DIESEL
P0500-VEHICLE SPEED SENSOR FREQUENCY TOO HIGH ÐContinued

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